kelly initiated an fbi investigation after receiving threatening emails later linked to paul jo broadwell, petraeus biographer and mistress. general allen's nomination to be the next commander of u.s. forces european command and nato's supreme allied commander is in doubt. >> his nomination has been put on hold as a prudent measure until we determine what the facts are. >> reporter: despite president obama's move to put general allen's promotion on hold, the president still trusts the general to lead american troops. >> he has faith in general allen. i would refer to you the pentagon for the process under way with regards to general allen. >> reporter: some lawmakers are coming out in support of general allen. >> general allen said he's not guilty of any improper behavior. i think he deserves to have us withhold judgment until the investigation the completed. >> reporter: general petraeus was scheduled to testify today about the attack on the u.s. consulate in benghazi. in light of the scandal he will not appear at that hearing a decision that's angered some lawmakers. >> i think it's abs